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Clerodane diterpene
・ Clerodendrum
・ Clerodendrum colebrookianum
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・ Clerodendrum heterophyllum
・ Clerodendrum infortunatum
・ Clerodendrum paniculatum
・ Clerodendrum phlomidis
・ Clerodendrum quadriloculare
・ Clerodendrum speciosissimum
・ Clerodendrum splendens
・ Clerodendrum thomsoniae
・ Clerodendrum tomentosum
・ Clerodendrum trichotomum


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Clerodane diterpene : ウィキペディア英語版
Clerodane diterpene

A clerodane diterpene (or clerodane diterpenoid) is a compound terpene derivative, more precisely a bicyclic diterpenoid. It is rather a rare form of diterpenoid and is structurally related to the bicyclic diterpenoids labdane and ginkgolide. Its biosynthesis in plants (mostly present in the families Lamiaceae and Asteraceae) takes place in the chloroplasts. Some forms can be useful intermediates in organic synthesis. Some clerodanes like clerodin (3-desoxy-caryoptinol) from the leaves of ''Clerodendrum infortunatum'' (Verbenaceae) have anthelminthic properties, others like ajugarins are repellent to herbivore predators (mostly insects and their larvae) or have a very bitter taste, such as gymnocolin.
Some examples for clerodanes are ajugarins I to V extracted from bugleweeds like ''Ajuga remota'', ''Ajuga ciliata'', ''Ajuga decumbens'', common skullcap (''Scutellaria galericulata''), and ''germanders (Teucrium sp.''), cascarillin from ''Croton eleuteria'', columbins from ''Jateorhiza columba'', ''Jateorhiza palmata'' and guduchi (''Tinospora cordifolia''), gymnocolin from ''Gymnocolea inflata'', hardwickiic acid from Hardwickia species (Fabaceae).
Neo-clerodane diterpenes can have hallucinogenic properties such as salvinorin A, a ''trans-''neoclerodane diterpenoid from Salvia divinorum.
==See also==

* Salvinorin A

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Clerodane diterpene」の詳細全文を読む



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